<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>学习网</title>
        <style type="text/css">
            body{
                background-color: yellow;
            }
            p{
                color:aqua
            }
        </style>
    </head>
    <body>
        <h1>标题</h1>
        <p>段落1</p>
    </body>
</html>